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June 11, 1963 s. A. CHASMAN APPARATUS FOR ENCAPSULATING Filed April 15,1960 29 Sheets-Sheet l June 11, 1963 s. A. cHAsMAN APPARATUS FORENCAPSULATING 29 Sheets-Sheet 2 Filed April 15, 1960 FIG. 2

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1. A CAPSULE-FORMING MACHINE COMPRISING A PAIR OF HOLLOW MULTI-FACETTEDCYLINDERS ADAPTED TO BE INDEXED IN A STEP-BY-STEP OPERATION SO THATSUCCESSIVE FLAT FACES ARE PRESENTED IN A FACE-TO-FACE RELATIONSHIP, EACHOF SAID FACES HAVING A NUMBER OF APERTURES FORMED THEREIN ALIGNEDLONGITUDINALLY ALONG THE CENTER OF EACH FACE, MEANS FOR FEEDING A PAIROF PLASTIC FILMS IN OPPOSED FACE-TO-FACE RELATIONSHIP BETWEEN SAIDCYLINDERS, MEANS FOR CAUSING SAID CYLINDERS TO BE MOVED LATERALLY UNTILSAID FACES ARE IN ABUTTING RELATIONSHIP, WHEREBY DEFINED OPPOSED AREASIN EACH OF SAID SHEETS ARE CAPTURED, PLUNGERS WITHIN EACH OF SAIDCYLINDERS IN ALIGNMENT WITH EACH OF THE APERTURES IN OPPOSED FACES ANDINCLUDING OPPOSED CONTACT FACES SUBSTANTIALLY COEXTENSIVE WITH THEOPPOSED APERTURES, MEANS FOR MOVING SAID CONTACT FACES OF SAID PLUNGERSINTO MUTUALLY OPPOSED PRESSING RELATIONSHIP WITH SAID SHEETS TO EXPRESSAIR WHICH MAY BE ENTRAPPED IN THE CAPTURED AREAS OUTLINED BY OPPOSEDAPERTURES IN SAID FACES, MEANS FOR RETRACTING SAID PLUNGERS, MEANS FORINTRODUCING, UNDER PRESSURE, WITHIN EACH OF THE CAPTURED AREAS, AMEASURED AMOUNT OF FLUID UNDER PRESSURE WHEREBY THE CAPTURE AREAS OFSAID OPPOSED SHEETS ARE INFLATED INTO OPPOSED SEMI-GLOBULAR AREASENTIRELY FILLED WITH SAID FLUID, HOLLOW DIE PUNCHES COAXIAL WITH SAIDPLUNGERS AND INDIVIDUAL TO EACH PAIR OF OPPOSED APERTURES, AND MEANS FORFORCING SAID DIE PUNCHES TOWARD EACH OTHER INTO ABUTTING FACE-TO-FACERELATIONSHIP ON OPPOSITE SIDES OF SAID SHEETS, SAID LAST-MENTIONED MEANSSERVING TO SEAL TOGETHER PERIPHERAL ZONES OF EACH OF SAID CAPTURED AREASAND TO SUBSTANTIALLY SEVER THEM FROM CONTIGUOUS PORTIONS OF SAID SHEETSTO THEREBY FORM SEALED GLOBULAR CAPSULES ENTIRELY FILLED WITH SAIDFLUID.